发明申请
- 专利标题： Piezo electrically driven bellows infuser for hydraulically controlling an adjustable gastric band
- 专利标题（中）： 压电式电动波纹管输液器用于液压控制可调节的胃束带
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申请号： US10857762申请日： 2004-05-28
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公开(公告)号： US20050267406A1公开(公告)日： 2005-12-01
- 发明人: William Hassler
- 申请人： William Hassler
- 专利权人： Ethicon Endo-Surgery, Inc.
- 当前专利权人： Ethicon Endo-Surgery, Inc.
- 主分类号： F04B43/08
- IPC分类号： F04B43/08 ; A61B17/00 ; A61F2/00 ; A61F2/02 ; A61F5/00 ; A61M1/10 ; A61M29/00
摘要：
A remotely controlled gastric band system that is practically immune to external magnetic fields, such as from a Magnetic Resonance Imaging (MRI) machine, incorporates a bi-directional pump and fluid reservoir to adjust fluid volume in a gastric band. A piezoelectrically driven (e.g., rotary actuator, linear actuator) selectively compresses and expands a metal bellows hermetically sealed within a biocompatible and nonferromagnetic case such as titanium.
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